{
 "entity": "gemini-3-1-flash-lite",
 "entity_type": "model",
 "category": "Summarising",
 "suite": "suite-2026-08-tasks/summarising",
 "model": "google/gemini-3.1-flash-lite",
 "judges": [
  "anthropic/claude-sonnet-5",
  "openai/gpt-5.6-terra",
  "x-ai/grok-4.5"
 ],
 "judge_protocol": "judge-2026-08",
 "anchors": "solo-2026-08-a",
 "score": 85,
 "caps": 0,
 "cost_usd": 0.0826,
 "started_at": "2026-08-13T09:43:27.521Z",
 "finished_at": "2026-08-13T09:43:48.372Z",
 "tasks": [
  {
   "id": "su1",
   "name": "Meeting notes to actions",
   "prompt": "From these notes, list ONLY the action items, each with its owner, as a bulleted list. If an owner is not stated, write 'unassigned'. Notes: 'Priya said the March invoices still aren't reconciled. Tom will chase the supplier by Friday. We discussed the new CRM — nobody has looked at pricing yet. Sam is on leave next week. The board pack needs the updated cashflow before the 20th; Priya said she'd do it if she has the numbers.'",
   "output": "* Reconcile March invoices: unassigned\n* Chase the supplier regarding invoices: Tom\n* Research pricing for the new CRM: unassigned\n* Update cashflow for the board pack: Priya",
   "latency_ms": 407,
   "cost": 0.00008625,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate extraction of action items with owners; correctly marks unassigned ones. Minor: Sam's leave not action item, correctly omitted. Clear and concise."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 10,
     "violates": false,
     "reasoning": "All actionable items are identified with appropriate owners. Priya is correctly not assigned invoice reconciliation merely for reporting the issue; her conditional commitment supports ownership of the cashflow update. Format is concise and "
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate extraction of all action items with correct owners; clean bulleted format; minor phrasing additions do not harm clarity or usefulness."
    }
   ]
  },
  {
   "id": "su2",
   "name": "Five-bullet summary",
   "prompt": "Summarise in exactly 5 bullets, max 15 words each, readable in 20 seconds: 'Our Q3 revenue rose 12% to £1.4m, driven mainly by the new retail channel which contributed £310k. Margins slipped from 41% to 37% because of higher shipping costs and a one-off warehouse move. Headcount stayed flat at 34. The main risk into Q4 is the supplier contract, which expires in November and has not been renegotiated. Cash at bank is £620k.'",
   "output": "* Q3 revenue grew 12% to £1.4m, bolstered by the new retail channel's £310k contribution.\n* Profit margins dipped to 37% due to rising shipping costs and warehouse relocation expenses.\n* Company headcount remained stable at 34 employees throughout the third quarter.\n* The expiring November supplier contract poses a significant operational risk for Q4.\n* Current cash reserves stand at £620k to support ongoing business activities.",
   "latency_ms": 642,
   "cost": 0.000182,
   "task_score": 8,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 6,
     "violates": false,
     "reasoning": "Accurate, 5 bullets, mostly under 15 words but bullet 1 has 15 words (borderline ok), others fine; readable and clear, minor polish possible."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 8,
     "violates": false,
     "reasoning": "Exactly five bullets, each within 15 words. Accurately covers all main figures and risks. Minor omissions: margins’ prior 41% level and that the supplier contract has not been renegotiated."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Exact 5 bullets under 15 words; accurate summary with minor omissions like prior margin %; clear and useful."
    }
   ]
  },
  {
   "id": "su3",
   "name": "Do not invent",
   "prompt": "Summarise this in under 50 words. If a fact is not present, do not supply it: 'The council approved the scheme on Tuesday. Three members voted against. Construction is expected to begin next year.' Then state on a separate line: 'Not stated: ' followed by one thing a reader would want to know that the text does not say.",
   "output": "The council approved the scheme on Tuesday, with three members voting against it. Construction is scheduled to begin next year.\n\nNot stated: The location of the project.",
   "latency_ms": 419,
   "cost": 0.000068,
   "task_score": 8,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, concise summary under 50 words, follows format, includes valid 'Not stated' item. Minor: no explicit word count check needed, meets constraint well."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 8,
     "violates": false,
     "reasoning": "Accurately includes all stated facts and supplies a useful missing detail on a separate line. “Scheduled” is slightly stronger than the source’s “expected,” but this is a minor wording issue."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate summary under 50 words, no invented facts, correct format and useful missing detail."
    }
   ]
  },
  {
   "id": "su4",
   "name": "One-sentence gist",
   "prompt": "Reduce to ONE sentence of no more than 25 words: 'After eighteen months of testing across four hospitals, the trial found that the new triage system reduced average waiting times by 22 minutes, although staff reported it added roughly ten minutes of administrative work per shift and two sites abandoned it before the trial ended.'",
   "output": "Despite reducing wait times by 22 minutes, the new triage system was abandoned by two sites due to increased administrative burdens for staff.",
   "latency_ms": 1157,
   "cost": 0.0000565,
   "task_score": 7,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 7,
     "violates": false,
     "reasoning": "Meets 25-word, one-sentence constraint; captures key facts but omits trial duration/hospital count and exact admin time detail, slightly reducing completeness."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 6,
     "violates": false,
     "reasoning": "Meets the one-sentence, 25-word limit. It preserves the 22-minute reduction and two-site abandonment, but omits the four hospitals, 18-month trial, and ten-minutes-per-shift detail, and overstates causation by saying abandonment was due to "
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate one-sentence summary under 25 words capturing key trade-off and abandonment; omits minor details like exact admin time and trial scope."
    }
   ]
  },
  {
   "id": "su5",
   "name": "Preserve the caveat",
   "prompt": "Summarise in under 60 words, and make sure the limitation survives: 'Early results suggest the drug reduces symptoms in about 60% of patients. However the sample was only 34 people, all under 40, and there was no control group, so the finding should be treated as preliminary.'",
   "output": "Early results indicate the drug reduces symptoms in 60% of patients. However, these findings are preliminary, as the study lacked a control group and relied on a small, non-representative sample of only 34 people under age 40.",
   "latency_ms": 722,
   "cost": 0.00009275,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, under 60 words, preserves limitation, clear and concise. Minor stylistic tweak only; no substantive issues."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 10,
     "violates": false,
     "reasoning": "Accurately preserves the 60% result and all key limitations: small sample, all participants under 40, no control group, and preliminary status. It is clear, concise, and under 60 words."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate summary under 60 words; all key limitations preserved clearly and usefully."
    }
   ]
  },
  {
   "id": "su6",
   "name": "Summarise a disagreement",
   "prompt": "In under 80 words, summarise the disagreement fairly, giving each side equal weight: 'Marketing wants to cut the price to win share, arguing volume will more than compensate. Finance says the last price cut in 2024 produced a 4% volume lift against an 11% margin loss, and would rather spend the same money on retention.'",
   "output": "The disagreement centers on how to best drive growth. Marketing advocates for price reductions to capture market share, believing increased volume will boost overall profitability. Conversely, Finance opposes this strategy, citing 2024 data where a 4% volume gain failed to offset an 11% margin loss. Instead, Finance argues that capital should be reallocated toward customer retention initiatives to ensure more sustainable, long-term financial stability.",
   "latency_ms": 1152,
   "cost": 0.000146,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 7,
     "violates": false,
     "reasoning": "Accurate, balanced, but exceeds 80 words (approx 70... actually count: ~70 words, within limit). Clear and fair, minor verbosity."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 10,
     "violates": false,
     "reasoning": "Accurately and fairly presents both positions, includes the key 2024 evidence, and states Finance’s retention alternative. It is clear, balanced, useful, and well under 80 words."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Accurate, balanced summary under 80 words; equal weight to both sides; clear and fully compliant."
    }
   ]
  },
  {
   "id": "su7",
   "name": "Extract the decision",
   "prompt": "From this thread, state in one line WHAT was decided and WHO decided it. If no decision was reached, say so. Thread: 'A: shall we move the launch to October? B: I'd rather not, the trade show is in September. A: agreed, but we can't ship without the packaging. C: packaging lands 2 Sept, confirmed by the printer this morning. A: fine, September stands then.'",
   "output": "A, B, and C decided to keep the launch in September.",
   "latency_ms": 438,
   "cost": 0.00004375,
   "task_score": 6,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 5,
     "violates": false,
     "reasoning": "Should note A made final call ('September stands'), B/C provided input but didn't decide. Attribution slightly inaccurate, but concise and captures the outcome."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 6,
     "violates": false,
     "reasoning": "It correctly identifies that the launch remains in September, but inaccurately says C decided it; C only provided packaging timing. A explicitly confirmed the decision, with B supporting September."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 8,
     "violates": false,
     "reasoning": "Correctly identifies September decision by group; minor over-attribution of agency to all three but fits one-line format well."
    }
   ]
  },
  {
   "id": "su8",
   "name": "Long to short, no loss",
   "prompt": "Compress to under 40 words without losing any of the four numbers: 'The programme ran for 3 years, cost £2.1m, reached 14,000 participants, and reported a 19% improvement in the primary outcome measure compared with the comparison group.'",
   "output": "The 3-year, £2.1m programme reached 14,000 participants, achieving a 19% improvement in the primary outcome compared to the control group.",
   "latency_ms": 566,
   "cost": 0.00007375,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Concise, under 40 words, retains all four numbers accurately and clearly."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 9,
     "violates": false,
     "reasoning": "Preserves all four numbers and stays well under 40 words. Clear and concise. Minor nuance: “control group” may not exactly equal “comparison group,” and “reported” is omitted."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Keeps all four numbers, under 40 words, accurate compression, clear and useful."
    }
   ]
  },
  {
   "id": "su9",
   "name": "Summary for a specific reader",
   "prompt": "Summarise this for a finance director who cares only about cost and risk, in under 70 words: 'The migration will move 40 services to the new platform over 9 months. The team estimates 3 months of dual-running, during which both platforms are paid for. There is a penalty clause if we exit the old contract before June. Engineers expect a 30% reduction in incidents afterwards.'",
   "output": "We are migrating 40 services over 9 months. To avoid contract penalties, we must dual-run for 3 months. While this incurs temporary overlapping costs, the migration is projected to reduce operational incidents by 30% post-implementation. This transition balances contractual risk with long-term efficiency gains and reduced support overhead.",
   "latency_ms": 698,
   "cost": 0.000122,
   "task_score": 8,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, concise, under 70 words, focused on cost/risk; minor omission of exact June deadline detail."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 6,
     "violates": false,
     "reasoning": "Under 70 words and focused on cost/risk. However, it incorrectly states dual-running is required to avoid penalties; the source only notes a penalty for exiting before June. It also adds unsupported claims about support overhead and omits t"
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate cost/risk focus under 70 words; minor imprecision linking dual-run directly to penalty avoidance."
    }
   ]
  },
  {
   "id": "su10",
   "name": "Bullet the risks only",
   "prompt": "List ONLY the risks as bullets, maximum 5, no solutions, no preamble: 'The supplier is reliable but single-source. Demand is growing 20% a year. Our warehouse lease ends in 14 months. The finance system is unsupported after next April. Staff turnover is low. Payment terms with our largest customer are 90 days.'",
   "output": "* Dependency on a single-source supplier\n* Inability to meet rapidly increasing demand\n* Imminent loss of warehouse facilities\n* Obsolescence of the finance system\n* Cash flow strain due to long customer payment terms",
   "latency_ms": 617,
   "cost": 0.000086,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate, concise, exactly 5 bullets, no solutions or preamble, correctly excludes low turnover as non-risk."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 10,
     "violates": false,
     "reasoning": "Exactly five bullet-pointed risks, with no preamble or solutions. It accurately captures the single-source, demand-capacity, warehouse lease, unsupported finance system, and 90-day payment-term risks."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Perfectly lists exactly 5 risks as bullets with no preamble or solutions; accurate extraction omitting non-risk; fully compliant and clear."
    }
   ]
  },
  {
   "id": "su11",
   "name": "Headline and standfirst",
   "prompt": "Write a headline (max 9 words) and a one-sentence standfirst (max 30 words) for: 'A study of 1,200 UK small businesses found that those which adopted at least one AI tool in 2025 grew revenue 8% faster on average, though the researchers could not establish whether the tools caused the growth or successful firms simply adopt tools sooner.'",
   "output": "**Headline:** AI Adoption Linked to 8% Faster Small Business Growth\n\n**Standfirst:** A study of 1,200 UK firms reveals AI users grew revenue faster in 2025, though researchers remain uncertain if the technology directly caused this financial success.",
   "latency_ms": 609,
   "cost": 0.000105,
   "task_score": 8,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, concise, meets word limits, captures causality caveat well; minor stylistic simplification but overall strong."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 8,
     "violates": false,
     "reasoning": "Meets both word limits and accurately conveys the association and causality caveat. The standfirst is clear but omits the 8% figure and “at least one tool” detail, while “grew revenue faster” is slightly awkward."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Exact word limits met; fully accurate summary of study findings and causality caveat; clear and professional."
    }
   ]
  },
  {
   "id": "su12",
   "name": "Say when there is nothing to summarise",
   "prompt": "Summarise the key findings of this text in under 40 words: 'Thanks — noted. Will pick this up Monday.' If there are no findings to summarise, say so plainly instead of padding.",
   "output": "There are no findings to summarise.",
   "latency_ms": 499,
   "cost": 0.000021,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Correctly identifies no findings exist, concise, follows instructions well within word limit."
    },
    {
     "judge": "openai/gpt-5.6-terra",
     "score": 10,
     "violates": false,
     "reasoning": "Correctly identifies that the text contains no substantive findings and states this plainly. It follows the under-40-word requirement, is concise, clear, and useful."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Correctly identifies no findings; follows under-40-word and plain-statement rules exactly; clear and useful."
    }
   ]
  }
 ]
}